PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-06:12:40
G02     261.8          80.9                4.8 +/-    0.52       4.8 +/-    0.52  0.160 / 0.150
G05     169.5          20.2                4.7 +/-    1.71      10.3 +/-    1.71  0.090 / 0.220
G06     39.4           57.5                5.6 +/-    0.54       6.5 +/-    0.54  0.030 / 0.030
G12     321.0          54.4                4.2 +/-    0.57       5.0 +/-    0.57  0.040 / 0.020
G17     73.9           20.9                3.0 +/-    1.37       6.5 +/-    1.37  0.030 / 0.040
G19     61.6           35.8                3.2 +/-    1.06       5.1 +/-    1.06  0.040 / 0.030
G24     242.2          32.7                5.1 +/-    1.78       8.5 +/-    1.78  0.100 / 0.140
G25     317.3          15.1                1.4 +/-    2.04       3.4 +/-    2.04  0.100 / 0.120